baber/WOPTO huggingface dataset:
Patent WO-2023216216-A1 (WO)
Inventor: YAN ZHI
IPC: H04L1/18
Filed: 2022-05-13
Abstract: Methods and apparatuses for are NTN IoT HARQ disabling for HARQ bundling and multiple TB scheduling disclosed. A UE comprises a processor; and a transceiver coupled to the processor, wherein the processor is configured to receive, via the transceiver, a control signal scheduling transport block (s), where each of the transport block (s) is associated with an HARQ process with HARQ feedback enabling or an HARQ process with HARQ feedback disabling according to an HARQ indication; and receive, via the transceiver, the transport block (s) based on the control signal.
Patent WO-2023201793-A1 (WO)
Title: 一种热泵热水器及控制方法
Inventor: WU BAIFENG
IPC: F24H4/00
Filed: 2022-05-13
Abstract: 本发明属于热水器领域，特别涉及一种热泵热水器及控制方法。一种热泵热水器，包括水箱、压缩机、蒸发器、冷凝器、节流装置、温度传感器、控制单元，还包括发热单元一、热水余量感应单元、水流感应单元、辅热装置，所述发热单元一的安装方式使之可以对水箱输出的水进行加热，所述辅热装置用于对水箱中的水进行辅助加热，所述热水余量感应单元用于判断水箱中热水的余量，根据热水余量、温度以及所述水流感应单元的信息控制所述发热单元一及辅热装置的工作状态。一种热泵热水器的控制方法，所述控制方法包括以下步骤：步聚1、获取热水余量、温度、水流状态信息；步骤2、根据以上信息控制热泵、发热单元一及辅热装置的工作状态。
Patent WO-2022257705-A1 (WO)
Title: Flexible intelligent writing system
Inventor: DENG HAI
IPC: G06F3/044
Filed: 2022-05-16
Abstract: Disclosed in the present invention is a flexible intelligent writing system, comprising a stylus, a writing device, and a board eraser, wherein the stylus is a conductive capacitive whiteboard stylus; the writing device is a flexible intelligent capacitive writing device; the board eraser is a conductive intelligent board eraser; the capacitive whiteboard stylus is used for performing writing on the flexible intelligent capacitive writing device, and can write ink marks of various colors; the flexible intelligent capacitive writing device is used for presenting the ink marks of various colors written by the capacitive whiteboard stylus in real time, and identifying and processing digital coordinate handwriting corresponding to the ink marks; and the intelligent board eraser erases the ink marks of various colors on the flexible intelligent capacitive writing device, and simultaneously erases the digital coordinate handwriting while the flexible intelligent capacitive writing device can identify the digital coordinate handwriting. The present invention is light in weight and thin in size, can be conveniently fixed on a plane or a wall body, such as glass, can save the packaging and transportation costs, reduce space, and is complete in function, strong in practicability, and good in user experience.
Patent WO-2022247777-A1 (WO)
Inventor: DONG SHENGHAI
IPC: F16K31/04
Filed: 2022-05-23
Abstract: 本公开涉及汽车技术领域，公开了一种控制方法及控制装置、电子膨胀阀；该控制方法包括：实时采集第一跳变信号并记录采集每一个第一跳变信号的第一时刻；实时采集第二跳变信号并记录采集每一个第二跳变信号的第二时刻；计算第二时刻与对应的第一时刻的差值；若差值为正值则计数增加或减小设定值，对应的若差值为负值则计数减小或增加设定值；在设定时间段内，且在计数没有增加或计数没有减小时，判断步进电机发生堵转。使用该控制方法判断步进电机运转状态更为准确、高效、简便。 (图1)
Patent WO-2023225862-A1 (WO)
Title: Robot et procédé de réglage de fils cousus
Inventor: DONG YIMING
IPC: B25J9/16
Filed: 2022-05-24
Abstract: L'invention concerne un robot (200) et un procédé de réglage de fils cousus (285). Le robot (200) comprend : un bras robotique (230) conçu pour maintenir un outil de réglage (270), et un dispositif de commande (210) conçu pour : amener l'outil de réglage (270) à passer partiellement à travers une section fil le long d'un trajet défini entre un côté inférieur (288) de la section fil et une surface externe (292) d'un objet (290), les fils cousus (285) comprenant une première extrémité fixée à l'objet (290) et une seconde extrémité, une pluralité de points de couture étant formés à travers une zone de couture sur l'objet (290) entre la première extrémité et la seconde extrémité, et chaque point de couture comprenant la section fil comprenant un côté supérieur (287) et le côté inférieur opposé (288) ; et déplacer l'outil de réglage (270) vers le haut à l'opposé de la surface externe (292) de façon à régler des pas entre les points de couture.
Patent WO-2023159842-A1 (WO)
Inventor: TANG ZHIHUA
IPC: B01D29/33
Filed: 2022-06-30
Abstract: 本申请公开一种过滤组件、净水系统以及冰箱，涉及水处理技术领域。其中过滤组件包括进水通道、出水通道和第一筒体；所述过滤组件还包括第二筒体，所述第二筒体至少部分容纳在所述第一筒体内；所述第二筒体内设有过滤体，所述进水通道、所述过滤体、所述出水通道依次连接；所述第二筒体的外壁面与所述第一筒体的内壁面之间设有第一螺旋通道，所述出水通道包括所述第一螺旋通道。
Patent WO-2023065719-A1 (WO)
Title: Numerical simulation and hydrodynamic collaborative integration calculation method for boiler furnace
Inventor: NIE XIN
IPC: G06F30/28
Filed: 2022-06-30
Abstract: The present application discloses a numerical simulation and hydrodynamic collaborative integration calculation method for a boiler furnace. According to the numerical simulation and hydrodynamic collaborative integration calculation method for the furnace, the combustion condition and the thermal load distribution condition in the furnace can be accurately obtained by means of furnace combustion numerical simulation calculation. Numerical simulation calculation may provide a reliable calculation basis for hydrodynamic calculation, and the accuracy of data such as hydrodynamic input heat flux density is ensured. Calculation boundary conditions can be provided by means of hydrodynamic calculation for the furnace wall surface subjected to numerical simulation. The water cooled wall temperature distribution output by a hydrodynamic calculation result can serve as a wall surface boundary condition of numerical simulation calculation, and the accuracy of furnace combustion numerical simulation is further improved. The calculation result can guide further operation adjustment and design transformation of the boiler, practical improvement measures are put forward, and safe operation of the boiler during depth peak load regulation and complex fuel blending combustion is ensured.
Patent WO-2024007267-A1 (WO)
Inventor: HE XIAONING
IPC: H01M4/133
Filed: 2022-07-07
Abstract: 本申请提供了负极极片、其制造方法、二次电池、电池模组、电池包及用电装置。该负极极片包括：负极活性材料层，和位于负极活性材料层的至少一个表面上的离子传输层，离子传输层的电子电导率不高于1×10 -7S/cm，且离子电导率不低于1×10 -4S/cm。该负极极片在循环使用后具有较低的膨胀率，进而提高电池的循环性能。
Patent WO-2023011311-A1 (WO)
Title: Network element selection method, information transmission method, apparatuses, and network elements
Inventor: GU QUN
IPC: H04W48/18
Filed: 2022-07-28
Abstract: The present disclosure provides a network element selection method and apparatus, and network elements. The method comprises: a first network element selects a network-slice specific authentication and authorization function (NSSAAF) network element according to first information, wherein the first information comprises at least one of the following: S-NSSAI of a network slice; a home network identifier in a subscription permanent identifier (SUPI); a data network name (DNN); a generic public subscription identifier (GPSI); the SUPI; a subscription concealed identifier (SUCI); an external group ID; an internal group ID; and a routing identifier.
Patent WO-2024020992-A1 (WO)
Inventor: LI CHENGFENG
IPC: H01M10/058
Filed: 2022-07-29
Abstract: La présente invention concerne une batterie secondaire et son procédé de préparation, et un dispositif électrique. La batterie secondaire comprend une feuille d'électrode négative et un électrolyte ; la feuille d'électrode négative comprend une substance active d'électrode négative et un supplément de lithium ; un matériau isolant est dissous dans l'électrolyte ; le rapport massique du matériau isolant dans l'électrolyte est de 0,1 % à 4 % ; le matériau isolant est issu de la feuille d'électrode négative avant l'injection de l'électrolyte ; dans la feuille d'électrode négative avant l'injection de l'électrolyte, le matériau isolant est disposé entre la substance active d'électrode négative et le supplément de lithium.
Patent WO-2023020319-A1 (WO)
Title: Method for preparing imidazole carboxylate and use thereof
Inventor: CHANG NAN
IPC: C07D233/56
Filed: 2022-08-08
Abstract: The present invention relates to a method for preparing imidazole carboxylate and the use thereof, and mainly solves the technical problems of the complex preparation process and cumbersome operation of imidazole carboxylate, and the low yield and low purity of the prepared imidazole carboxylate. According to the present invention, imidazole carboxylate is generated by reacting imidazole formyl chloride and alcohol in the presence of a first solvent and an organic base, and the imidazole carboxylate having a high yield and a high purity is further obtained by means of a post-treatment, which has the advantages of a simple preparation method, mild preparation conditions and strong operability.
Patent WO-2023016439-A1 (WO)
Title: Method, apparatus, and medium for video processing
Inventor: WANG YANG
IPC: H04N19/11
Filed: 2022-08-09
Abstract: A method for video processing is proposed. The method comprises: deriving, during a conversion between a target unit of a video and a bitstream of the target unit, an intra prediction mode (IPM) of the target unit for at least one chroma component (2610), the target unit being applied with a target coding tool; obtaining a prediction of the target unit for the at least one chroma component using the IPM (2620); and performing the conversion based on the prediction of the target unit for the at least one chroma component (2630).
Patent WO-2023231201-A1 (WO)
Inventor: ZHAO ANDONG
IPC: H02M3/335
Filed: 2022-08-30
Abstract: A control system for a burst mode of a switching power supply, and a PWM controller, which relate to the technical field of power supplies. The control system comprises: a feedback signal detection circuit (10), which is used for detecting and generating a feedback signal that is related to an output voltage of a switching power supply; a primary winding sampling circuit (20), which is coupled to a primary winding of the switching power supply and is used for sampling a sampling voltage of the primary winding; a burst mode soft control circuit (30), which is used for receiving the feedback signal and outputting an electrical signal; and a comparison circuit (40), which is used for obtaining a threshold value of the sampling voltage on the basis of the electrical signal and the sampling voltage, such that a burst mode is started when the feedback signal is higher than a soft start threshold voltage, and the burst mode is pre-exited when the feedback signal is lower than a preset threshold voltage and higher than a soft exit threshold voltage. The control system can effectively eliminate audio noise when a burst mode is entered and exited.
Patent WO-2023093205-A1 (WO)
Title: 一种实体标签关联预测方法、装置及计算机可读存储介质
Inventor: LIU LIZHI
IPC: G06F16/28
Filed: 2022-09-07
Abstract: 本发明提供了一种实体标签关联预测方法、装置、系统及计算机可读存储介质，该方法包括：确定实体关系网络、标签关系网络以及实体标签关联网络，实体标签关联网络包含未知的实体标签关联关系；根据实体关系网络构造实体相似度图，根据标签关系网络和实体标签关联网络构造标签相似度图；根据实体标签关联网络构造实体标签关联二部图；抽取实体特征，并根据标签相似度图构建标签特征；将实体相似度图、标签相似度图和实体标签关联二部图融入图卷积网络以构建预测模型；将实体特征、标签特征输入预测模型进行训练直至模型收敛，输出预测模型的预测结果。利用上述方法，能够获取未知的实体标签关联关系，进而提升了实体标签标注的完整程度。
Patent WO-2023065913-A1 (WO)
Title: Method for simulating object motion by means of particles, and device
Inventor: XU LIYOU
IPC: G06T13/20
Filed: 2022-09-16
Abstract: Embodiments of the present disclosure relate to the technical field of computer processing, and provide a method and apparatus for simulating the object motion by means of particles, an electronic device, a storage medium, a computer program, and a computer program product. The method comprises: generating a first number of particles, each particle comprising one or more pixel points, the motion process of the first number of particles forming an animation effect, and the animation effect being used for simulating the motion effect of an object in a real environment; updating the position of the particle in the motion process according to a motion control parameter, the motion control parameter being a parameter affecting the motion; and displaying the particle according to the updated position of the particle. According to the embodiments of the present disclosure, the position of the particle in the motion process can be determined according to the motion control parameter. The motion control parameter is a parameter affecting the motion; therefore, the motion of an object in a real environment can be simulated, and the authenticity of the animation effect is improved.
Patent WO-2023045955-A1 (WO)
Title: 传输处理方法、装置、终端、网络侧设备及存储介质
Inventor: YANG YU
IPC: H04W72/04
Filed: 2022-09-21
Abstract: 本申请公开了一种传输处理方法、装置、终端、网络侧设备及存储介质，本申请实施例的传输处理方法包括：终端获取目标信息；所述终端根据所述目标信息确定目标对象是否使用目标传输配置指示状态TCI state；其中，所述目标信息由协议约定或者网络侧设备指示，所述目标对象为信道状态信息参考信号CSI-RS和探测参考信号SRS中至少一项；所述目标TCI state包括以下至少一项：用于终端专用物理下行共享信道PDSCH和用于全部或部分专用控制资源集的TCI state；用于动态调度或基于配置授权的物理上行共享信道PUSCH和所有专用的物理上行控制信道PUCCH的TCI state。
Patent WO-2023061491-A1 (WO)
Inventor: WANG FANGGANG
IPC: H04B7/06
Filed: 2022-10-14
Abstract: The present application is applied to the technical field of communications. Disclosed are an information transmission method and apparatus, and a sending end. The method comprises: a sending end respectively performing, on L antennas, a cyclic shift on delay Doppler information, so as to acquire first information corresponding to each antenna; and the sending end respectively sending the first information by means of the L antennas, wherein L is an integer greater than or equal to 1.
Patent WO-2023103630-A1 (WO)
Title: 一种高功率和频激光产生方法、系统及其相位调制方法
Inventor: FENG YAN
IPC: H01S3/10
Filed: 2022-10-26
Abstract: 一种高功率和频激光产生方法、及系统及其相位调制方法，将两个单频激光器（1、2）输出两个单频种子激光，采用两个驱动信号分别对两个单频激光进行相位调制，相位调制同时对两个种子激光施加幅值相等、符号相反的任意信号，使得两个单频激光线宽展宽并让两束激光进入和频激光放大系统（10），同时进一步调节两个信号间的延迟，通过激光和频装置（9）和频得到单频激光输出。具有波长范围广、结构简单紧凑、设计灵活、成本低等优点，能有效突破传统单频可见激光技术的功率限制，为高功率、高稳定性的单频可见激光技术提供了新的技术方案，具有重要的实用价值和应用前景。
Patent WO-2023109830-A1 (WO)
Inventor: HUANG JIAEN
IPC: A61B5/024
Filed: 2022-12-13
Abstract: L'invention concerne un dispositif électronique, comprenant : un corps de couvercle (10) et une plaque de support (20). Le corps de couvercle (10) et la plaque de support (20) sont agencés séquentiellement dans la direction de l'épaisseur du corps de couvercle (10). Une unité électroluminescente (31) et une unité de détection de lumière (32) sont disposées entre le corps de couvercle (10) et la plaque de support (20) à un intervalle. La zone sur le corps de couvercle (10) correspondant à l'unité électroluminescente (31) et l'unité de détection de lumière (32) est une zone de transmission de lumière. Une structure de protection contre la lumière est disposée entre l'unité électroluminescente (31) et l'unité de détection de lumière (32), et la structure de protection contre la lumière est déformable dans une direction proche du corps de couvercle (10) et/ou de la plaque de support (20). À condition que la structure de protection contre la lumière se déforme, un côté de la structure de protection contre la lumière vient en butée contre la surface du corps de couvercle (10), et l'autre côté de la structure de protection contre la lumière vient en butée contre la surface de la plaque de support (20).
Patent WO-2023185136-A1 (WO)
Inventor: ZHANG DEBO
IPC: H04L67/54
Filed: 2022-12-23
Abstract: The present application is applicable to the technical field of edge computing. Disclosed are a method and apparatus for processing an edge node, and a medium. The method comprises: determining the connection state of the current edge node according to the relationships among a host name, a service certificate and a cluster node list; if the connection state is a to-be-started state, performing starting registration for the current edge node; if the connection state is a main-body to-be-started state, starting a main body process of the current edge node; if the connection state is a to-be-cleaned state, deleting the service certificate; and if the connection state is an abnormal state, stopping using the current edge node. Different processes are subsequently performed according to different connection states, wherein when the connection state is a to-be-started state, start registration is performed; when the connection state is another state, start registration may not be performed again for an edge node, but processing is performed according to corresponding processes, thereby avoiding the existing problem of registration being performed repeatedly after blind start because it is impossible to determine the connection state of the edge node.
Patent WO-2023125374-A1 (WO)
Inventor: BAI XU
IPC: G06T3/00
Filed: 2022-12-26
Abstract: La présente invention concerne un procédé et un appareil de traitement d'image, un dispositif électronique et un support de stockage. Le procédé consiste à : acquérir une image à traiter comprenant un sujet cible (S110) ; entrer l'image à traiter et un attribut de sujet du sujet cible dans un modèle de conversion de style cible pour obtenir une image d'effet spécial cible dans laquelle le sujet cible a été converti en un type de style cible (S120) ; et afficher l'image d'effet spécial cible dans une zone d'affichage d'image (S130).
Patent WO-2023131178-A1 (WO)
Inventor: WU SHAOJI
IPC: H01M50/30
Filed: 2023-01-04
Abstract: 本申请提供了一种电池模块、电池及用电装置，属于电池技术领域。其中，电池模块包括第一防护件和多个电池单体。多个电池单体沿第一方向排布，电池单体在第二方向上的一端设置有泄压机构，第二方向与第一方向相互垂直，泄压机构被配置为在电池单体的内部压力或温度达到阈值时泄放电池单体的内部压力。第一防护件包括第一防护部，第一防护部覆盖于多个电池单体设置有泄压机构的一端，第一防护部上开设有多个排气口，排气口与泄压机构在第二方向上错位设置。在具有这种电池模块的电池中通过第一防护件能够减少电池单体热失控时从泄压机构冲出的热气直接冲击箱体的现象，以缓解电池的箱体出现熔化或自燃的可能性，从而有利于降低电池的使用风险。
Patent WO-2024001155-A1 (WO)
Inventor: WANG ZHIPING
IPC: G01N15/14
Filed: 2023-01-09
Abstract: A blood cell analysis method and system based on a microscopic magnification digital image for calculating the concentration and volume of target cells in blood. The method comprises: identifying target cells in the microscopic magnification digital image, and obtaining each target cell area STC, the target cells being platelets or leukocytes; and step 15B: acquiring a known third volume correction factor CVW3, and calculating an individual target cell volume VTC = the target cell area STC  1.5  × the third volume correction factor CVW3, the third volume correction factor CVW3 comprising a platelet volume correction factor CPLT and a first leukocyte volume correction factor CVW1. The target cell concentration and volume calculation method is simple, and the accuracy of counting and volume calculation is high, so that the statistical analysis of the individual target cell volume has an accurate basis, the statistical analysis of the individual target cell volume and other parameters combined with the individual target cell volume can be expanded, and a deeper layer of valuable information is obtained clinically.
Patent WO-2023221548-A1 (WO)
Title: 电控行走系统及电控行走系统的控制方法
Inventor: WANG BO
IPC: B60K17/10
Filed: 2023-01-18
Abstract: 一种电控行走系统及电控行走系统的控制方法，该电控行走系统包括电机（1）、转轴（11）和控制器，电机（1）和转轴（11）分别安装在农业车辆的车身中，电机（1）与转轴（11）传动连接，电机（1）设置为驱动转轴（11）转动，转轴（11）与静液压传动HST（7）的输入端传动连接，以驱动农业车辆行走；控制器设置为发出信号并将该信号传输给农业车辆的整车控制终端（13），整车控制终端（13）设置为根据控制器发出的信号控制电机（1）的转动速度、转动方向以及转动角度。
Patent WO-2023151662-A1 (WO)
Title: Androgen receptor activity regulator and use thereof
Inventor: ZHENG QIANGANG
IPC: C07D239/42
Filed: 2023-02-10
Abstract: Provided are an androgen receptor activity regulator and the use thereof. The androgen receptor activity regulator has a structure as represented by formula 1-I or formula 2-I, wherein R1-R7, X, ring A, ring B, ring C, n, m, p, Z1 and Z2 are as described herein. Further provided are a pharmaceutically acceptable salt, enantiomer, diastereomer, tautomer, solvate, isotopic substitute, polymorph, prodrug or metabolite of a compound of formula 1-I or formula 2-I, and a pharmaceutical composition thereof and the pharmaceutical use thereof.
Patent WO-2023155833-A1 (WO)
Title: 柔性电子材料、透气透湿电子元件、柔性电路及方法
Inventor: LI YI
IPC: H01B5/00
Filed: 2023-02-16
Abstract: 本发明公开了一种柔性电子材料、透气透湿电子元件、柔性电路及方法，涉及柔性电子材料和柔性电路技术领域。柔性电子材料由导电区域和绝缘区域组成，导电区域由吸墨材料、纤维或纱线制成，绝缘区域由拒墨材料、纤维或纱线制成；吸墨材料、纤维或纱线是指可吸附导电墨水的材料、纤维或纱线，能通过毛细管力扩散导电墨水；拒墨材料、纤维或纱线是指不吸附导电墨水的材料、纤维或纱线，能抑制导电墨水的扩散，导电墨水是油基的或水基的。本发明解决了传统的印刷技术中必须频繁更换模板、丝网或墨盒的问题，可以和各种纺织技术或3D打印技术结合，技术成熟且成本低廉，同时还保持了纺织品结构的固有特性，例如可拉伸、可弯曲、透气、透湿的特性。
Patent WO-2023179413-A1 (WO)
Inventor: WANG YANFENG
IPC: H04L41/0803
Filed: 2023-03-14
Abstract: An embodiment of the present specification provides a configuration data issuing method. The configuration data issuing method comprises: receiving data change information for a target virtual machine, and determining at least two pieces of initial configuration information corresponding to the data change information; determining at least one target device corresponding to the target virtual machine according to the at least two pieces of initial configuration information; compressing the at least two pieces of initial configuration information to obtain a target configuration packet, and sending the target configuration packet to the at least one target device, the target configuration packet comprising at least two pieces of compressed initial configuration information that carry priority identifiers. By means of setting priorities for the at least two pieces of configuration information and performing compression processing, the configuration information can be issued together to a corresponding target device, which reduces a number of instances of communication, and improves delivery efficiency.
Patent WO-2023179506-A1 (WO)
Inventor: ZOU YUXIANG
IPC: G10L13/02
Filed: 2023-03-17
Abstract: 本公开涉及一种韵律预测方法、装置、可读介质及电子设备，能够得到更加合适的韵律特征。所述方法包括：获取待处理的目标文本；根据所述目标文本和预训练的韵律预测模型，确定所述目标文本的韵律特征信息，所述韵律特征信息包括对应于多种预设韵律维度的韵律特征；其中，所述韵律预测模型包括特征提取网络和多个特征预测网络，所述特征提取网络用于提取所述目标文本的语言学信息，所述多个特征预测网络分别与所述特征提取网络连接，并且，所述多个特征预测网络各自对应一个所述预设韵律维度，每一所述特征预测网络用于根据所述特征提取网络提取出的语言学信息预测出对应于一种预设韵律维度的韵律特征。
Patent WO-2023185935-A1 (WO)
Title: Procédé, appareil et support de traitement vidéo
Inventor: WANG YANG
IPC: H04N19/52
Filed: 2023-03-29
Abstract: Des modes de réalisation de la présente divulgation concernent une solution pour le traitement vidéo. La divulgation concerne également un procédé de traitement vidéo. Le procédé consiste à : appliquer, pour une conversion entre une unité vidéo d'une vidéo et un train de bits de l'unité vidéo, une procédure de traitement à au moins un candidat de mouvement dans une liste de candidats de mouvement ; réordonnancer au moins une partie de candidats de mouvement dans la liste de candidats de mouvement par application d'une première procédure de réordonnancement à la liste de candidats de mouvement après la procédure de traitement ; et effectuer la conversion sur la base des candidats de mouvement réordonnancés.
Patent WO-2024016735-A1 (WO)
Inventor: XIE YANG
IPC: G09B9/04
Filed: 2023-04-04
Abstract: Provided are a seat achieving an adjustable back-pushing feeling, and a vehicle. The seat comprises a seat body, an electromagnet, a magnetic element, a switch power supply module and a control module, wherein the seat body comprises a cushion, a back cushion and a back plate; the electromagnet is connected to the back plate; the magnetic element is connected to the back cushion and directly faces the electromagnet; the switch power supply module is electrically connected to the electromagnet and provides an electrical signal for the electromagnet; and the control module is electrically connected to the switch power supply module and is used for acquiring and generating a corresponding control signal on the basis of an acceleration signal, so as to control the switch power supply module to output a corresponding electrical signal, such that a magnetic force, which is exerted on the magnetic element by means of the electromagnet, is adjusted, thereby making the magnetic element drive, on the basis of the magnetic force, the back cushion to move in a direction close to or away from the back plate.